Our experts can easily repair crashed, mechanically failed, and physically damaged hard drives, USBs, and SSDs. If you prefer a professional data recovery and external hard drive repair service, EaseUS Data Recovery Service is recommended. Seagate External Hard Drive Repair Services (Recommended)Īfter following these tips, if your Seagate external hard drive is still not detected, move on and try the other further solutions offered below. (Light off indicates the power adapter is not connected to power.) Try connecting the drive to a different computer.Switch to a new cable if the current one is damaged.Try a different USB port on the computer.Quick tips to fix problematic Seagate external disk: Is your Seagate external hard drive not working? This page covers comprehensive solutions to fix Seagate and other brands of external hard drive not working, not detected, or not showing up errors, making your hard drives work again without losing any data. Applies to: Fix Seagate external hard drive not showing up, not detected, external hard drive light blinking but not work, not recognized in Windows 10, USB not showing up, etc.